已知函数
,
,(
).
(1)设
,函数
的定义域为
,求
的最大值;
(2)当
时,求使
的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3797e3ea369c3a903aa9200a0d10ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99eb23c1c367aecd09d8826ab719f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810949b76573ccd9d43af3815299d443.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e036bcbc3579fbc13e1701bd2961c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03535592817f149e4be75f06987fd819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2017-12-16 08:22:04
|
【知识点】 对数函数单调性的应用
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解答题-问答题
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适中
(0.65)
真题
名校
【推荐1】已知函数
,其中常数
满足
.
(1)若
,判断函数
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7748ce946504c4e938d6277a967256.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041cd2291ceed0733b7a1baa3e3d740e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数.
(Ⅰ)若f(x)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b9c1cebb3ce2a4425b6f6c17257ca5.png)
(Ⅱ)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f293012826fee9285c6ab96fe74d1ebc.png)
您最近一年使用:0次